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Allow specifying cpuid subleaf

This commit is contained in:
Michał Janiszewski 2018-02-10 13:22:32 +01:00 committed by Michał Janiszewski
parent ad27806534
commit 6a71688db7
1 changed files with 3 additions and 3 deletions
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6
src/openrct2/util/Util.cpp
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@ -188,10 +188,10 @@ sint32 bitscanforward(sint32 source)
#endif
#ifdef OPENRCT2_X86
static bool cpuid_x86(uint32 * cpuid_outdata, sint32 eax)
static bool cpuid_x86(uint32 * cpuid_outdata, sint32 eax, sint32 ecx = 0)
{
#if defined(OpenRCT2_CPUID_GNUC_X86)
int ret = __get_cpuid(eax, &cpuid_outdata[0], &cpuid_outdata[1], &cpuid_outdata[2], &cpuid_outdata[3]);
int ret = __get_cpuid_count(eax, ecx, &cpuid_outdata[0], &cpuid_outdata[1], &cpuid_outdata[2], &cpuid_outdata[3]);
return ret == 1;
#elif defined(OpenRCT2_CPUID_MSVC_X86)
__cpuid((int *)cpuid_outdata, (int)eax);
@ -218,7 +218,7 @@ bool sse41_available()
bool avx2_available()
{
#ifdef OPENRCT2_X86
// AVX2 support is declared as the 5th bit of EBX with CPUID(EAX = 7).
// AVX2 support is declared as the 5th bit of EBX with CPUID(EAX = 7, ECX = 0).
uint32 regs[4] = { 0 };
if (cpuid_x86(regs, 7))
{